2011
DOI: 10.2202/1948-4690.1009
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Joint Modeling of HCV and HIV Infections among Injecting Drug Users in Italy Using Repeated Cross-Sectional Prevalence Data

Abstract: During their injecting career, injecting drug users (IDUs) are exposed to some infections, like hepatitis C virus (HCV) infection and human immunodeficiency virus (HIV) infection, due to their injecting behavioral risk factors, such as sharing syringes or other paraphernalia containing infected blood, or sexual behavior risk factors. If we consider that these IDUs might belong to a social network of people where these behavioral risk factors are spread, then HCV and HIV infections might be associated at both t… Show more

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Cited by 4 publications
(4 citation statements)
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“…In general, it is expected that the risk of infection might depend on social behavioural factors. Examples of such dependency have been studied for hepatitis C among injecteddrug users (Mathëi et al, 2006;del Fava et al, 2011). Mathëi and colleagues presented the way to model p i1 as a function of injection time and social behavioural risk factors (such as sharing syringes and other paraphernalia).…”
Section: Equation D5mentioning
confidence: 99%
“…In general, it is expected that the risk of infection might depend on social behavioural factors. Examples of such dependency have been studied for hepatitis C among injecteddrug users (Mathëi et al, 2006;del Fava et al, 2011). Mathëi and colleagues presented the way to model p i1 as a function of injection time and social behavioural risk factors (such as sharing syringes and other paraphernalia).…”
Section: Equation D5mentioning
confidence: 99%
“…Several attempts have been made to estimate the FOI of HCV in the IDU context based on cross-sectional data [6][7][8][9][10][11]. All authors assumed a parametric function for the prevalence and the FOI, either assessing the impact of covariates or taking into account the association with other viruses.…”
Section: Methodsmentioning
confidence: 99%
“…The estimation of the FOI for HCV in the IDU population was based previously on cross-sectional data [6][7][8][9][10][11]. The major contribution of this paper is the estimation of the FOI for HCV in IDUs using a large cohort study, with more than 25 years of followup, while assessing the impact of self-reported behavioural risk factors (injection frequency, type of drug injected, sharing of syringes) using an adequate statistical model.…”
Section: Introductionmentioning
confidence: 99%
“…Joint modeling, particularly using the random effects approach, have been previously applied to clinical outcomes such as HIV and HCV ( 25 , 26 ), hearing thresholds ( 27 , 28 ), and body mass index with other clinical targets among diabetic patients ( 29 ). The application of these methods to pregnancy-related adverse outcomes is limited.…”
Section: Introductionmentioning
confidence: 99%